<http://schema.org/query-input>
"required name=search_term"^^<http://www.w3.org/2001/XMLSchema#string>
<https://store.kobobooks.com/nl-us/book/Topping-from-Below/rBbIH3xQ9UqE5vYOYfGCow?MixID=rBbIH3xQ9UqE5vYOYfGCow&PageNumber=1>